.container_box {
  width: 1920px;
  height: 1080px;

  box-sizing: border-box; // 元素的宽度和高度就会包括边框和内边距的宽度和高度
  overflow:hidden;

  // background: url("/static/screen/bg.png") no-repeat center center;
  background: #041c4a;
  .header_box {
    display: flex;
    align-items: center;
    justify-content: center;

    box-sizing: border-box;
    width: 100%;
    height: 91px;
    
    background: url("/static/screen/header-bg.png");
    background-size:contain ;
    background-repeat:no-repeat;

    .header_box_title {
      font-size: 42px;
      color: #ffffff;
    }
  }
}